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speedometer ethanol

  1. Speedometer and Ethanol questions

    RT Series
    Looking to get a 2016 R1200RT and have 2 questions (so far :) My Suzuki Bergman 650 has a 10% error in the speedometer. When I have going 50 on the speedometer, it's really 45. When I'm going 80, it's really 72. Verified with GPS speed and another car. Does the BMW's have this silly thing? In...
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